Texas Instruments

BQ40Z50RSMT-R2

BQ40Z50RSMT-R2 Description

The BQ40Z50RSMT-R2 from Texas Instruments is a highly integrated, impedance track™-based battery management IC designed for 1 to 4-cell lithium-ion/polymer battery packs. This surface-mount device (32-VQFN package) provides comprehensive monitoring, protection, and fuel gauging capabilities, making it ideal for portable electronics, power tools, and energy storage systems. Compliant with ROHS3 and REACH standards, it operates via an SMBus interface and supports a wide voltage range up to 32V. Its Impedance Track™ technology ensures high-accuracy battery state-of-charge (SoC) estimation, even as the battery ages.

BQ40Z50RSMT-R2 Features

• Multi-Cell Support: Manages 1 to 4-series Li-ion/polymer cells with precision.
• Advanced Protection: Integrated safeguards against over-current, over/under-voltage, short-circuit, and over-temperature conditions.
• Impedance Track™ Technology: Delivers ±1% SoC accuracy with minimal calibration.
• SMBus Communication: Enables seamless integration with host systems for real-time data monitoring.
• Compact & Reliable: 32-VQFN package (Tape & Reel) with MSL 2 (1 Year) moisture sensitivity, suitable for automated assembly.
• Low-Power Operation: Optimized for energy-efficient applications.

BQ40Z50RSMT-R2 Applications

• Portable Electronics: Smartphones, tablets, and laptops requiring precise battery management.
• Power Tools: Ensures safe operation and longevity in high-drain environments.
• Medical Devices: Critical for battery-powered medical equipment demanding reliability.
• Energy Storage Systems: Provides robust monitoring for backup power solutions.
• Industrial Equipment: Ideal for UPS and IoT devices with stringent power requirements.

Conclusion of BQ40Z50RSMT-R2

The BQ40Z50RSMT-R2 stands out as a versatile, high-performance battery management IC, combining TI’s Impedance Track™ technology with robust protection features. Its ability to support 1-4 cells, coupled with SMBus compatibility and compact packaging, makes it a superior choice for applications demanding accuracy, safety, and efficiency. Whether for consumer electronics or industrial systems, this IC ensures optimal battery performance and longevity.